LOUISVILLE, KY - MAY 04: Kentucky Derby winner Orb with jockeyJoel Rosario crosses the finish line to win the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images)

LOUISVILLE, KY - MAY 04: Kentucky Derby winner Orb with jockeyJoel Rosario crosses the finish line to win the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images)